/* ============================================================
   FONTS
   ============================================================ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-latin-600-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');
}

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --color-bg:           #11161c;
  --color-bg-rgb:       17, 22, 28;
  --color-bg-alpha-95:  rgba(var(--color-bg-rgb), 0.95);
  --color-surface:      #161d26;
  --color-border:       #2a3442;
  --color-text:         #c5c8c6;
  --color-text-muted:   #6b7280;
  --color-command:      #ffffff;
  --color-prompt:       rgba(0, 255, 65, 0.7);
  --color-accent-green: #00ff41;
  --color-accent-blue:  #00d9ff;
  --color-accent-violet:#9aa4ff;
  --color-error:        #ff5f57;
  --color-surface-elevated: #1b2430;

  /* Typography */
  --font-terminal: 'JetBrains Mono', 'Courier New', monospace;
  --font-body:     'Inter', system-ui, sans-serif;

  --font-size-xs:   0.75rem;   /* 12px */
  --font-size-sm:   0.875rem;  /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg:   1.125rem;  /* 18px */
  --font-size-xl:   1.25rem;   /* 20px */
  --font-size-2xl:  1.5rem;    /* 24px */

  --line-height-tight:  1.3;
  --line-height-base:   1.6;
  --line-height-loose:  1.8;

  /* Spacing scale */
  --space-1:  0.25rem;   /* 4px  */
  --space-2:  0.5rem;    /* 8px  */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */

  /* Layout */
  --max-width: 740px;
  --nav-height: 56px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ============================================================
   RESET & NORMALIZE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-command);
}

a:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

button:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-terminal);
  font-weight: 700;
  color: var(--color-command);
  line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

p {
  line-height: var(--line-height-loose);
  color: var(--color-text);
}

code, pre {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
}

pre {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-4);
  overflow-x: auto;
  line-height: var(--line-height-base);
}

code {
  background-color: var(--color-surface);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  color: var(--color-accent-blue);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.page-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

main {
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-20);
  min-height: calc(100vh - var(--nav-height));
}

section {
  margin-bottom: var(--space-16);
}

/* ============================================================
   SKIP LINK (ACCESSIBILITY)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background-color: var(--color-accent-blue);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  color: var(--color-bg);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-bg-alpha-95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
}

.site-nav .page-wrapper {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-accent-green);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-accent-green);
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.nav-links a {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: var(--space-1);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-accent-violet);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-violet));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-fast);
}

.nav-links a:hover::after {
  transform: scaleX(0.55);
}

.nav-links a[aria-current="page"] {
  color: var(--color-accent-blue);
  text-shadow: 0 0 16px rgba(0, 217, 255, 0.3);
}

.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: var(--space-1);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 600px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
  }
}

/* ============================================================
   TERMINAL BLOCK
   ============================================================ */
.terminal-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-6) var(--space-8);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-loose);
  overflow-x: auto;
}

.terminal-line {
  display: block;
  margin-bottom: var(--space-4);
}

.terminal-line:last-child {
  margin-bottom: 0;
}

/* Prompt: > */
.t-prompt {
  color: var(--color-prompt);
  user-select: none;
  margin-right: var(--space-2);
}

/* Command text (after >) */
.t-cmd {
  color: var(--color-command);
}

/* Output text */
.t-out {
  color: var(--color-text);
  display: block;
  padding-left: 0;
}

/* Blank spacer line between blocks */
.t-spacer {
  display: block;
  height: var(--space-4);
}

/* Cursor blink */
.t-cursor {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  background-color: var(--color-accent-green);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ============================================================
   PAGE HEADER (per-page title area)
   ============================================================ */
.page-header {
  margin-bottom: var(--space-10);
}

.page-header h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

.page-header .page-header__sub {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

/* ============================================================
   SECTION LABEL
   ============================================================ */
.section-label {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border: 1px solid currentColor;
  border-radius: 3px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  color: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
  background: transparent;
}

.btn-primary:hover {
  background-color: var(--color-accent-blue);
  color: var(--color-bg);
}

.btn-ghost {
  color: var(--color-text-muted);
  border-color: var(--color-border);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ============================================================
   FORMS (shared: contact + newsletter)
   ============================================================ */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-base);
}

.form-submit {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  color: var(--color-bg);
  background-color: var(--color-accent-blue);
  border: none;
  border-radius: 3px;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: opacity var(--transition-fast);
}

.form-submit:hover {
  opacity: 0.85;
}

.form-submit:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}

/* Newsletter inline form (inside notes) */
.newsletter-form {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.newsletter-form .terminal-block {
  margin-bottom: var(--space-4);
}

.newsletter-form .form-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-fast);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}

.newsletter-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form .form-submit-inline {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-accent-blue);
  background: transparent;
  border: 1px solid var(--color-accent-blue);
  border-radius: 3px;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.newsletter-form .form-submit-inline:hover {
  background-color: var(--color-accent-blue);
  color: var(--color-bg);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
}

.site-footer .page-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer p,
.site-footer a {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-text);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-social svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

/* ============================================================
   HOMEPAGE — HERO
   ============================================================ */
.hero {
  margin-bottom: var(--space-16);
}

.hero .terminal-block {
  margin-bottom: var(--space-8);
}

/* ============================================================
   HOMEPAGE — SECTIONS
   ============================================================ */
.home-section {
  margin-bottom: var(--space-12);
}

.home-section + .home-section {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(154, 164, 255, 0.18);
}

.home-section h2 {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.home-section p {
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

/* Preview cards (Lab + Now on homepage) */
.preview-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.preview-item {
  background:
    linear-gradient(160deg, rgba(154, 164, 255, 0.08), rgba(154, 164, 255, 0)) ,
    var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.preview-item:hover {
  border-color: rgba(154, 164, 255, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.25);
}

.preview-item--link {
  display: block;
  color: inherit;
}

.preview-item--link:hover .preview-item__title {
  color: var(--color-accent-violet);
}

.preview-item__title {
  color: var(--color-command);
  margin-bottom: var(--space-1);
}

.preview-item__meta {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.section-link {
  display: inline-block;
  margin-top: var(--space-4);
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-accent-blue);
  letter-spacing: 0.05em;
}

.section-link:hover {
  color: var(--color-accent-violet);
}

.section-link::after {
  content: ' →';
}

/* ============================================================
   LAB PAGE
   ============================================================ */
.lab-category {
  margin-bottom: var(--space-10);
}

.lab-category__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  cursor: pointer;
  user-select: none;
}

.lab-category__header h2 {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  color: var(--color-prompt);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.lab-category__toggle {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-left: auto;
}

.lab-entry {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.lab-entry__summary {
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  transition: background-color var(--transition-fast);
}

.lab-entry__summary:hover {
  background-color: rgba(255,255,255,0.02);
}

.lab-entry__title {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  color: var(--color-command);
}

.lab-entry__status {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.lab-entry__status--active  { color: var(--color-accent-green); }
.lab-entry__status--failed  { color: var(--color-error); }
.lab-entry__status--archived{ color: var(--color-text-muted); }

.lab-entry__body {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.lab-entry__body.is-open {
  display: block;
}

.lab-entry__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.lab-entry__stack span {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-accent-blue);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 1px var(--space-2);
}

.lab-entry__lesson {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-3);
  margin-top: var(--space-3);
  line-height: var(--line-height-base);
}

/* ============================================================
   NOTES PAGE
   ============================================================ */
.notes-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.notes-tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.notes-tag-btn {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 2px var(--space-2);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.notes-tag-btn:hover,
.notes-tag-btn.is-active {
  color: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
}

.note-list-item {
  display: flex;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: color var(--transition-fast);
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  text-decoration: none;
  color: inherit;
}

.note-list-item:hover .note-list-item__title {
  color: var(--color-accent-blue);
}

.note-list-item__date {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  min-width: 90px;
}

.note-list-item__title {
  color: var(--color-command);
  transition: color var(--transition-fast);
}

/* Full note view */
.note-view {
  display: none;
}

.note-view.is-visible {
  display: block;
}

.note-list-view {
  display: block;
}

.note-list-view.is-hidden {
  display: none;
}

.note-view__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
}

.note-view__back:hover {
  color: var(--color-text);
}

.note-view__back::before {
  content: '←';
}

.note-view__header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.note-view__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.note-view__meta {
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.note-view__tags span {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 2px var(--space-2);
}

.note-view__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Rendered Markdown body */
.note-body {
  line-height: 1.9;
  text-wrap: pretty;
}

.note-body h1,
.note-body h2,
.note-body h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.note-body > :first-child {
  margin-top: 0;
}

.note-body p + h1,
.note-body p + h2,
.note-body p + h3,
.note-body ul + h2,
.note-body ol + h2,
.note-body blockquote + h2 {
  margin-top: var(--space-10);
}

.note-body p {
  margin-bottom: var(--space-5);
}

.note-body ul,
.note-body ol {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
  color: var(--color-text);
  line-height: var(--line-height-loose);
}

.note-body ol {
  list-style: decimal;
}

.note-body pre {
  margin-bottom: var(--space-5);
}

.note-body img {
  max-width: 100%;
  border-radius: 4px;
  margin: var(--space-6) 0;
}

.note-body blockquote {
  border-left: 2px solid var(--color-accent-blue);
  padding-left: var(--space-4);
  color: var(--color-text-muted);
  font-style: italic;
  margin: var(--space-6) 0;
}

.note-post-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.note-post-nav a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 45%;
  font-family: var(--font-terminal);
  font-size: var(--font-size-xs);
  color: var(--color-accent-blue);
}

.note-post-nav__next {
  margin-left: auto;
  text-align: right;
}

.note-post-nav__title {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
}

/* ============================================================
   NOW PAGE
   ============================================================ */
.now-section {
  margin-bottom: var(--space-10);
}

/* ============================================================
   HOW I THINK PAGE
   ============================================================ */
.think-section {
  margin-bottom: var(--space-10);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-form-wrap {
  width: 100%;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.u-text-muted  { color: var(--color-text-muted); }
.u-text-green  { color: var(--color-accent-green); }
.u-text-blue   { color: var(--color-accent-blue); }
.u-mono        { font-family: var(--font-terminal); }
.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Error / loading states */
.state-loading,
.state-error {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--space-6) 0;
}

.state-error { color: var(--color-error); }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .t-cursor {
    animation: none;
    opacity: 1;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet and below */
@media (max-width: 768px) {
  main {
    padding-top: calc(var(--nav-height) + var(--space-8));
  }

  .terminal-block {
    padding: var(--space-4) var(--space-5);
  }
}

/* Mobile */
@media (max-width: 480px) {
  .page-wrapper {
    padding: 0 var(--space-4);
  }

  h1 { font-size: var(--font-size-xl); }

  .note-list-item {
    flex-direction: column;
    gap: var(--space-1);
  }

  .site-footer .page-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }
}